RA3MysteriousResearchGroup/AnotherReplayReader
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修离线缓存

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This commit is contained in:
lanyi 2021-10-19 23:13:28 +02:00
parent 888ddce4ef
commit 6f5c21aa8f
6 changed files with 53 additions and 28 deletions
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2
About.xaml.cs
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@ -11,7 +11,7 @@ namespace AnotherReplayReader
public About()
{
InitializeComponent();
_idBox.Text = Auth.ID;
_idBox.Text = Auth.Id;
}
private void Hyperlink_RequestNavigate(object sender, System.Windows.Navigation.RequestNavigateEventArgs e)

22
Auth.cs
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@ -9,11 +9,11 @@ namespace AnotherReplayReader
{
internal static class Auth
{
public static string? ID { get; }
public static string? Id { get; }
static Auth()
{
ID = null;
Id = null;
string? windowsID;
try
@ -56,17 +56,17 @@ namespace AnotherReplayReader
using var sha = SHA256.Create();
var hash = sha.ComputeHash(Encoding.UTF8.GetBytes(windowsID + randomKey));
ID = string.Concat(hash.Skip(3).Take(10).Select(x => $"{x:X2}"));
Id = string.Concat(hash.Skip(3).Take(10).Select(x => $"{x:X2}"));
}
public static string GetKey()
{
if (ID == null)
if (Id == null)
{
return string.Empty;
}
var text = $"{ID}{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
var text = $"{Id}{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
var bytes = Encoding.UTF8.GetBytes(text);
var pre = Encoding.UTF8.GetBytes("playertable!");
var salt = new byte[9];
@ -82,5 +82,17 @@ namespace AnotherReplayReader
return Convert.ToBase64String(salt.Concat(bytes).Select((x, i) => (byte)(x ^ pre[i % pre.Length])).ToArray());
}
public static byte[]? IdAsKey()
{
if (string.IsNullOrEmpty(Id))
{
return null;
}
var bytes = Encoding.UTF8.GetBytes(Id);
var destination = Enumerable.Repeat<byte>(0xEA, 24).ToArray();
Array.Copy(bytes, destination, Math.Min(bytes.Length, destination.Length));
return destination;
}
}
}

4
Cache.cs
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@ -14,9 +14,11 @@ namespace AnotherReplayReader
private readonly ConcurrentDictionary<string, string> _storage = new();
public Task Initialization { get; }
public Cache()
{
Task.Run(async () =>
Initialization = Task.Run(async () =>
{
try
{

15
PlayerIdentity.cs
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@ -86,17 +86,19 @@ namespace AnotherReplayReader
_list = converted;
}
if (list is null)
if (list is null || Auth.IdAsKey() is not { } encryptKey)
{
_cache.Set<string?>(StoredKey, null);
return;
}
using var aes = Aes.Create();
using var encryptor = aes.CreateEncryptor(Encoding.UTF8.GetBytes(Auth.ID), aes.IV);
using var memory = new MemoryStream();
using var decryptorStream = new CryptoStream(memory, encryptor, CryptoStreamMode.Write);
using var aes = Aes.Create();
using (var encryptor = aes.CreateEncryptor(encryptKey, aes.IV))
using (var decryptorStream = new CryptoStream(memory, encryptor, CryptoStreamMode.Write))
{
await SerializeAsync(decryptorStream, list, _jsonOptions).ConfigureAwait(false);
}
memory.Flush();
_cache.SetValues((StoredKey, Convert.ToBase64String(memory.ToArray())), (IvKey, Convert.ToBase64String(aes.IV)));
}
@ -155,15 +157,16 @@ namespace AnotherReplayReader
{
try
{
await _cache.Initialization;
var stored = _cache.GetOrDefault(StoredKey, string.Empty);
var iv = Convert.FromBase64String(_cache.GetOrDefault(IvKey, string.Empty));
if (string.IsNullOrWhiteSpace(stored))
if (string.IsNullOrWhiteSpace(stored) || Auth.IdAsKey() is not { } key)
{
return;
}
using var aes = Aes.Create();
using var decryptor = aes.CreateDecryptor(Encoding.UTF8.GetBytes(Auth.ID), iv);
using var decryptor = aes.CreateDecryptor(key, iv);
using var memory = new MemoryStream(Convert.FromBase64String(stored));
using var decryptorStream = new CryptoStream(memory, decryptor, CryptoStreamMode.Read);
var cachedTable = await DeserializeAsync<List<IpAndPlayer>>(decryptorStream, _jsonOptions).ConfigureAwait(false);

6
Window1.xaml
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@ -13,7 +13,11 @@
<TextBox x:Name="_idField" Height="16" Margin="294,27,92,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" TextChanged="OnIpFieldChanged" />
<TextBlock x:Name="textBlock1" HorizontalAlignment="Left" Margin="205,28,0,0" TextWrapping="Wrap" Text="玩家名称 / 说明" VerticalAlignment="Top"/>
<Button x:Name="_setIPButton" Content="上传" Margin="705,26,12,0" VerticalAlignment="Top" Click="OnClick"/>
<DataGrid x:Name="_dataGrid" Margin="20,60,12,19" MouseDoubleClick="DataGrid_MouseDoubleClick" IsReadOnly="True">
<DataGrid x:Name="_dataGrid"
Margin="20,60,12,19"
MouseDoubleClick="DataGrid_MouseDoubleClick"
IsReadOnly="True"
AutoGenerateColumns="False">
<DataGrid.Columns>
<DataGridTextColumn Header="IP" Binding="{Binding Path=IpString}"/>
<DataGridTextColumn Header="玩家名称 / 说明" Binding="{Binding Path=Id}"/>

30
Window1.xaml.cs
View File

@ -1,5 +1,7 @@
using AnotherReplayReader.Utils;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
@ -20,16 +22,21 @@ namespace AnotherReplayReader
{
InitializeComponent();
_identity = identity;
Refresh();
Refresh(true);
}
private async void Refresh()
private async void Refresh(bool showCached)
{
_setIPButton.IsEnabled = false;
try
{
_dataGrid.Items.Clear();
_dataGrid.Items.Add(new IpAndPlayer { Ip = 0, Id = "正在加载..." });
var loading = new IpAndPlayer[] { new() { Ip = 0, Id = "正在加载..." } };
_dataGrid.ItemsSource = loading;
if (showCached)
{
await Display();
_dataGrid.ItemsSource = loading.Concat(_dataGrid.ItemsSource.Cast<IpAndPlayer>());
}
await _identity.Fetch();
await Display();
}
@ -45,10 +52,10 @@ namespace AnotherReplayReader
private async Task Display(string filter = "", string nameFilter = "")
{
var newList = await Task.Run(() =>
var result = await Task.Run(() =>
{
var pinyin = nameFilter.ToPinyin();
return _identity
var query = _identity
.AsSortedList()
.Where(x =>
{
@ -61,13 +68,10 @@ namespace AnotherReplayReader
return true;
}
return x.Id.ContainsIgnoreCase(nameFilter);
})
.ToArray();
});
_dataGrid.Items.Clear();
_dataGrid.ItemsSource = newList;
_dataGrid.Items.Refresh();
return new ObservableCollection<IpAndPlayer>(query);
});
_dataGrid.ItemsSource = result;
}
private async void OnClick(object sender, RoutedEventArgs e)
@ -97,7 +101,7 @@ namespace AnotherReplayReader
MessageBox.Show(this, "设置 IP 表失败");
}
Refresh();
Refresh(false);
}
catch (Exception exception)
{